The authors have selected a good variety of movements, and presented them in a format that make them accessible to kids. There is a mixture of easy and not-so-easy positions, and instructions for how to start simple and get more advanced as the child progresses.

There is also ample instruction for the adult who is overseeing their practice. I haven't had a lot of exposure to yoga myself, but I got enough information from the book that (with a little preparatory work on my part) I felt confident in knowing how to get them in the right position while watching out for any problems.

(Note to the sharp-eyed: No, I'm not related to the author)